Paving block



FIG. 1 is a perspective view of a paving block showing my new design,

FIG. 2 is a plan view,

FIG. 3 is a side view,

FIG. 4 an end elevation and

FIG. 5 a section on the line 5--5 of FIG. 2. 

The ornamental design for a paving block, as shown. 